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<a name="1" href="#1">1</a>   <em>/**<em>*</em></em>
<a name="2" href="#2">2</a>   <em> * $Id: NumberConverter.html 10 2008-10-01 10:56:15Z azeckoski $</em>
<a name="3" href="#3">3</a>   <em> * $URL: http://reflectutils.googlecode.com/svn/maven/site/xref/org/azeckoski/reflectutils/converters/NumberConverter.html $</em>
<a name="4" href="#4">4</a>   <em> * NumberConverter.java - genericdao - Sep 8, 2008 10:48:42 AM - azeckoski</em>
<a name="5" href="#5">5</a>   <em> **************************************************************************</em>
<a name="6" href="#6">6</a>   <em> * Copyright (c) 2008 Aaron Zeckoski</em>
<a name="7" href="#7">7</a>   <em> * Licensed under the Apache License, Version 2.0</em>
<a name="8" href="#8">8</a>   <em> * </em>
<a name="9" href="#9">9</a>   <em> * A copy of the Apache License has been included in this </em>
<a name="10" href="#10">10</a>  <em> * distribution and is available at: <a href="http://www.apache.org/licenses/LICENSE-2.0.txt" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0.txt</a></em>
<a name="11" href="#11">11</a>  <em> *</em>
<a name="12" href="#12">12</a>  <em> * Aaron Zeckoski (azeckoski @ gmail.com) (aaronz @ vt.edu) (aaron @ caret.cam.ac.uk)</em>
<a name="13" href="#13">13</a>  <em> */</em>
<a name="14" href="#14">14</a>  
<a name="15" href="#15">15</a>  <strong>package</strong> org.azeckoski.reflectutils.converters;
<a name="16" href="#16">16</a>  
<a name="17" href="#17">17</a>  <strong>import</strong> java.math.BigDecimal;
<a name="18" href="#18">18</a>  <strong>import</strong> java.math.BigInteger;
<a name="19" href="#19">19</a>  <strong>import</strong> java.util.Calendar;
<a name="20" href="#20">20</a>  <strong>import</strong> java.util.Date;
<a name="21" href="#21">21</a>  
<a name="22" href="#22">22</a>  <strong>import</strong> org.azeckoski.reflectutils.ConstructorUtils;
<a name="23" href="#23">23</a>  <strong>import</strong> org.azeckoski.reflectutils.converters.api.Converter;
<a name="24" href="#24">24</a>  
<a name="25" href="#25">25</a>  
<a name="26" href="#26">26</a>  <em>/**<em>*</em></em>
<a name="27" href="#27">27</a>  <em> * Handles all the number conversions in a single converter,</em>
<a name="28" href="#28">28</a>  <em> * the other number converters are simply going to call through to this one&lt;br/></em>
<a name="29" href="#29">29</a>  <em> * Special handling for {@link Boolean}, {@link Date}, {@link Calendar}, and {@link String}</em>
<a name="30" href="#30">30</a>  <em> * &lt;ul></em>
<a name="31" href="#31">31</a>  <em> *     &lt;li>&lt;code>java.math.BigDecimal&lt;/code>&lt;/li></em>
<a name="32" href="#32">32</a>  <em> *     &lt;li>&lt;code>java.math.BigInteger&lt;/code>&lt;/li></em>
<a name="33" href="#33">33</a>  <em> *     &lt;li>&lt;code>java.lang.Byte&lt;/code>&lt;/li></em>
<a name="34" href="#34">34</a>  <em> *     &lt;li>&lt;code>java.lang.Double&lt;/code>&lt;/li></em>
<a name="35" href="#35">35</a>  <em> *     &lt;li>&lt;code>java.lang.Float&lt;/code>&lt;/li></em>
<a name="36" href="#36">36</a>  <em> *     &lt;li>&lt;code>java.lang.Integer&lt;/code>&lt;/li></em>
<a name="37" href="#37">37</a>  <em> *     &lt;li>&lt;code>java.lang.Long&lt;/code>&lt;/li></em>
<a name="38" href="#38">38</a>  <em> *     &lt;li>&lt;code>java.lang.Number&lt;/code>&lt;/li></em>
<a name="39" href="#39">39</a>  <em> *     &lt;li>&lt;code>java.lang.Short&lt;/code>&lt;/li></em>
<a name="40" href="#40">40</a>  <em> * &lt;/ul></em>
<a name="41" href="#41">41</a>  <em> * &lt;br/></em>
<a name="42" href="#42">42</a>  <em> * Based on code from commons bean utils but updated for generics and removed complexity and (mis)usage of Throwable&lt;br/></em>
<a name="43" href="#43">43</a>  <em> * </em>
<a name="44" href="#44">44</a>  <em> * @author Aaron Zeckoski (azeckoski @ gmail.com)</em>
<a name="45" href="#45">45</a>  <em> */</em>
<a name="46" href="#46">46</a>  <strong>public</strong> <strong>class</strong> <a href="../../../../org/azeckoski/reflectutils/converters/NumberConverter.html">NumberConverter</a> implements Converter&lt;Number> {
<a name="47" href="#47">47</a>  
<a name="48" href="#48">48</a>      <strong>public</strong> Number convert(Object value) {
<a name="49" href="#49">49</a>          <strong>return</strong> NumberConverter.convertToType(Number.<strong>class</strong>, value);
<a name="50" href="#50">50</a>      }
<a name="51" href="#51">51</a>  
<a name="52" href="#52">52</a>      <em class="comment">// Code derived from commons beanutils converters</em>
<a name="53" href="#53">53</a>  
<a name="54" href="#54">54</a>      <em>/**<em>*</em></em>
<a name="55" href="#55">55</a>  <em>     * Convert the input object into a Number object of the</em>
<a name="56" href="#56">56</a>  <em>     * specified type.</em>
<a name="57" href="#57">57</a>  <em>     *</em>
<a name="58" href="#58">58</a>  <em>     * @param targetType Data type to which this value should be converted.</em>
<a name="59" href="#59">59</a>  <em>     * @param value The input value to be converted.</em>
<a name="60" href="#60">60</a>  <em>     * @return The converted value.</em>
<a name="61" href="#61">61</a>  <em>     * @throws Throwable if an error occurs converting to the specified type</em>
<a name="62" href="#62">62</a>  <em>     */</em>
<a name="63" href="#63">63</a>      @SuppressWarnings(<span class="string">"unchecked"</span>)
<a name="64" href="#64">64</a>      <strong>public</strong> <strong>static</strong> &lt;T> T convertToType(Class&lt;T> targetType, Object value) {
<a name="65" href="#65">65</a>          <strong>if</strong> (value == <strong>null</strong>) {
<a name="66" href="#66">66</a>              <strong>throw</strong> <strong>new</strong> IllegalArgumentException(<span class="string">"value to convert cannot be null"</span>);
<a name="67" href="#67">67</a>          }
<a name="68" href="#68">68</a>          Class&lt;?> sourceType = value.getClass();
<a name="69" href="#69">69</a>  
<a name="70" href="#70">70</a>          <em class="comment">// Handle Number</em>
<a name="71" href="#71">71</a>          <strong>if</strong> (value instanceof Number) {
<a name="72" href="#72">72</a>              <strong>return</strong> (T) toNumber(sourceType, targetType, (Number)value);
<a name="73" href="#73">73</a>          }
<a name="74" href="#74">74</a>  
<a name="75" href="#75">75</a>          <em class="comment">// Handle Boolean</em>
<a name="76" href="#76">76</a>          <strong>if</strong> (value instanceof Boolean) {
<a name="77" href="#77">77</a>              <strong>return</strong> (T) toNumber(sourceType, targetType, ((Boolean)value).booleanValue() ? 1 : 0);
<a name="78" href="#78">78</a>          }
<a name="79" href="#79">79</a>  
<a name="80" href="#80">80</a>          <em class="comment">// Handle Date</em>
<a name="81" href="#81">81</a>          <strong>if</strong> (value instanceof Date) {
<a name="82" href="#82">82</a>              <strong>long</strong> time = ((Date)value).getTime();
<a name="83" href="#83">83</a>              <strong>return</strong> (T) toNumber(Long.<strong>class</strong>, targetType, time);
<a name="84" href="#84">84</a>          }
<a name="85" href="#85">85</a>  
<a name="86" href="#86">86</a>          <em class="comment">// Handle Calendar</em>
<a name="87" href="#87">87</a>          <strong>if</strong> (value instanceof Calendar) {
<a name="88" href="#88">88</a>              <strong>long</strong> time = ((Calendar)value).getTime().getTime();
<a name="89" href="#89">89</a>              <strong>return</strong> (T) toNumber(Long.<strong>class</strong>, targetType, time);
<a name="90" href="#90">90</a>          }
<a name="91" href="#91">91</a>  
<a name="92" href="#92">92</a>          <em class="comment">// Convert all other types to String &amp; handle</em>
<a name="93" href="#93">93</a>          String stringValue = value.toString().trim();
<a name="94" href="#94">94</a>          <strong>if</strong> (stringValue.length() == 0) {
<a name="95" href="#95">95</a>              Object defaultValue = ConstructorUtils.getDefaultValue(targetType);
<a name="96" href="#96">96</a>              <strong>if</strong> (defaultValue == <strong>null</strong>) {
<a name="97" href="#97">97</a>                  <strong>throw</strong> <strong>new</strong> UnsupportedOperationException(<span class="string">"Number convert failure: Could not convert empty string to target ("</span>+targetType+<span class="string">") or get a default value for it"</span>);
<a name="98" href="#98">98</a>              }
<a name="99" href="#99">99</a>              <strong>return</strong> (T) defaultValue;
<a name="100" href="#100">100</a>         }
<a name="101" href="#101">101</a> 
<a name="102" href="#102">102</a>         <em class="comment">// Convert/Parse a String</em>
<a name="103" href="#103">103</a>         Number number = toNumber(sourceType, targetType, stringValue);
<a name="104" href="#104">104</a>         <strong>return</strong> (T) number;
<a name="105" href="#105">105</a>     }
<a name="106" href="#106">106</a> 
<a name="107" href="#107">107</a>     <em>/**<em>*</em></em>
<a name="108" href="#108">108</a> <em>     * Convert any Number object to the specified type for this &lt;i>Converter&lt;/i>.</em>
<a name="109" href="#109">109</a> <em>     * &lt;p></em>
<a name="110" href="#110">110</a> <em>     * This method handles conversion to the following types:</em>
<a name="111" href="#111">111</a> <em>     * &lt;ul></em>
<a name="112" href="#112">112</a> <em>     *     &lt;li>&lt;code>java.math.BigDecimal&lt;/code>&lt;/li></em>
<a name="113" href="#113">113</a> <em>     *     &lt;li>&lt;code>java.math.BigInteger&lt;/code>&lt;/li></em>
<a name="114" href="#114">114</a> <em>     *     &lt;li>&lt;code>java.lang.Byte&lt;/code>&lt;/li></em>
<a name="115" href="#115">115</a> <em>     *     &lt;li>&lt;code>java.lang.Double&lt;/code>&lt;/li></em>
<a name="116" href="#116">116</a> <em>     *     &lt;li>&lt;code>java.lang.Float&lt;/code>&lt;/li></em>
<a name="117" href="#117">117</a> <em>     *     &lt;li>&lt;code>java.lang.Integer&lt;/code>&lt;/li></em>
<a name="118" href="#118">118</a> <em>     *     &lt;li>&lt;code>java.lang.Long&lt;/code>&lt;/li></em>
<a name="119" href="#119">119</a> <em>     *     &lt;li>&lt;code>java.lang.Number&lt;/code>&lt;/li></em>
<a name="120" href="#120">120</a> <em>     *     &lt;li>&lt;code>java.lang.Short&lt;/code>&lt;/li></em>
<a name="121" href="#121">121</a> <em>     * &lt;/ul></em>
<a name="122" href="#122">122</a> <em>     * @param sourceType The type being converted from</em>
<a name="123" href="#123">123</a> <em>     * @param targetType The Number type to convert to</em>
<a name="124" href="#124">124</a> <em>     * @param value The Number to convert.</em>
<a name="125" href="#125">125</a> <em>     * @return The converted value.</em>
<a name="126" href="#126">126</a> <em>     */</em>
<a name="127" href="#127">127</a>     <strong>private</strong> <strong>static</strong> Number toNumber(Class&lt;?> sourceType, Class&lt;?> targetType, Number value) {
<a name="128" href="#128">128</a> 
<a name="129" href="#129">129</a>         <em class="comment">// Correct Number type already</em>
<a name="130" href="#130">130</a>         <strong>if</strong> ( ConstructorUtils.classEquals(targetType, value.getClass()) ) {
<a name="131" href="#131">131</a>             <strong>return</strong> value;
<a name="132" href="#132">132</a>         }
<a name="133" href="#133">133</a> 
<a name="134" href="#134">134</a>         <em class="comment">// Byte</em>
<a name="135" href="#135">135</a>         <strong>if</strong> (targetType.equals(Byte.<strong>class</strong>)) {
<a name="136" href="#136">136</a>             <strong>long</strong> <strong>long</strong>Value = value.<strong>long</strong>Value();
<a name="137" href="#137">137</a>             <strong>if</strong> (longValue > Byte.MAX_VALUE) {
<a name="138" href="#138">138</a>                 <strong>throw</strong> <strong>new</strong> UnsupportedOperationException(<span class="string">"source ("</span> + sourceType + <span class="string">") value ("</span> 
<a name="139" href="#139">139</a>                         + value + <span class="string">") is too large for target ("</span> + targetType + <span class="string">")"</span>);
<a name="140" href="#140">140</a>             }
<a name="141" href="#141">141</a>             <strong>if</strong> (longValue &lt; Byte.MIN_VALUE) {
<a name="142" href="#142">142</a>                 <strong>throw</strong> <strong>new</strong> UnsupportedOperationException(<span class="string">"source ("</span> + sourceType + <span class="string">") value ("</span> 
<a name="143" href="#143">143</a>                         + value + <span class="string">") is too small for target ("</span> + targetType + <span class="string">")"</span>);
<a name="144" href="#144">144</a>             }
<a name="145" href="#145">145</a>             <strong>return</strong> <strong>new</strong> Byte(value.byteValue());
<a name="146" href="#146">146</a>         }
<a name="147" href="#147">147</a> 
<a name="148" href="#148">148</a>         <em class="comment">// Short</em>
<a name="149" href="#149">149</a>         <strong>if</strong> (targetType.equals(Short.<strong>class</strong>)) {
<a name="150" href="#150">150</a>             <strong>long</strong> <strong>long</strong>Value = value.<strong>long</strong>Value();
<a name="151" href="#151">151</a>             <strong>if</strong> (longValue > Short.MAX_VALUE) {
<a name="152" href="#152">152</a>                 <strong>throw</strong> <strong>new</strong> UnsupportedOperationException(<span class="string">"source ("</span> + sourceType + <span class="string">") value ("</span> 
<a name="153" href="#153">153</a>                         + value + <span class="string">") is too large for target ("</span> + targetType + <span class="string">")"</span>);
<a name="154" href="#154">154</a>             }
<a name="155" href="#155">155</a>             <strong>if</strong> (longValue &lt; Short.MIN_VALUE) {
<a name="156" href="#156">156</a>                 <strong>throw</strong> <strong>new</strong> UnsupportedOperationException(<span class="string">"source ("</span> + sourceType + <span class="string">") value ("</span> 
<a name="157" href="#157">157</a>                         + value + <span class="string">") is too small for target ("</span> + targetType + <span class="string">")"</span>);
<a name="158" href="#158">158</a>             }
<a name="159" href="#159">159</a>             <strong>return</strong> <strong>new</strong> Short(value.shortValue());
<a name="160" href="#160">160</a>         }
<a name="161" href="#161">161</a> 
<a name="162" href="#162">162</a>         <em class="comment">// Integer</em>
<a name="163" href="#163">163</a>         <strong>if</strong> (targetType.equals(Integer.<strong>class</strong>)) {
<a name="164" href="#164">164</a>             <strong>long</strong> <strong>long</strong>Value = value.<strong>long</strong>Value();
<a name="165" href="#165">165</a>             <strong>if</strong> (longValue > Integer.MAX_VALUE) {
<a name="166" href="#166">166</a>                 <strong>throw</strong> <strong>new</strong> UnsupportedOperationException(<span class="string">"source ("</span> + sourceType + <span class="string">") value ("</span> 
<a name="167" href="#167">167</a>                         + value + <span class="string">") is too large for target ("</span> + targetType + <span class="string">")"</span>);
<a name="168" href="#168">168</a>             }
<a name="169" href="#169">169</a>             <strong>if</strong> (longValue &lt; Integer.MIN_VALUE) {
<a name="170" href="#170">170</a>                 <strong>throw</strong> <strong>new</strong> UnsupportedOperationException(<span class="string">"source ("</span> + sourceType + <span class="string">") value ("</span> 
<a name="171" href="#171">171</a>                         + value + <span class="string">") is too small for target ("</span> + targetType + <span class="string">")"</span>);
<a name="172" href="#172">172</a>             }
<a name="173" href="#173">173</a>             <strong>return</strong> <strong>new</strong> Integer(value.intValue());
<a name="174" href="#174">174</a>         }
<a name="175" href="#175">175</a> 
<a name="176" href="#176">176</a>         <em class="comment">// Long</em>
<a name="177" href="#177">177</a>         <strong>if</strong> (targetType.equals(Long.<strong>class</strong>)) {
<a name="178" href="#178">178</a>             <strong>return</strong> <strong>new</strong> Long(value.longValue());
<a name="179" href="#179">179</a>         }
<a name="180" href="#180">180</a> 
<a name="181" href="#181">181</a>         <em class="comment">// Float</em>
<a name="182" href="#182">182</a>         <strong>if</strong> (targetType.equals(Float.<strong>class</strong>)) {
<a name="183" href="#183">183</a>             <strong>if</strong> (value.doubleValue() > Float.MAX_VALUE) {
<a name="184" href="#184">184</a>                 <strong>throw</strong> <strong>new</strong> UnsupportedOperationException(<span class="string">"source ("</span> + sourceType + <span class="string">") value ("</span> 
<a name="185" href="#185">185</a>                         + value + <span class="string">") is too large for target ("</span> + targetType + <span class="string">")"</span>);
<a name="186" href="#186">186</a>             }
<a name="187" href="#187">187</a>             <strong>return</strong> <strong>new</strong> Float(value.floatValue());
<a name="188" href="#188">188</a>         }
<a name="189" href="#189">189</a> 
<a name="190" href="#190">190</a>         <em class="comment">// Double</em>
<a name="191" href="#191">191</a>         <strong>if</strong> (targetType.equals(Double.<strong>class</strong>)) {
<a name="192" href="#192">192</a>             <strong>return</strong> <strong>new</strong> Double(value.doubleValue());
<a name="193" href="#193">193</a>         }
<a name="194" href="#194">194</a> 
<a name="195" href="#195">195</a>         <em class="comment">// BigDecimal</em>
<a name="196" href="#196">196</a>         <strong>if</strong> (targetType.equals(BigDecimal.<strong>class</strong>)) {
<a name="197" href="#197">197</a>             <strong>if</strong> (value instanceof Float || value instanceof Double) {
<a name="198" href="#198">198</a>                 <strong>return</strong> <strong>new</strong> BigDecimal(value.toString());
<a name="199" href="#199">199</a>             } <strong>else</strong> <strong>if</strong> (value instanceof BigInteger) {
<a name="200" href="#200">200</a>                 <strong>return</strong> <strong>new</strong> BigDecimal((BigInteger)value);
<a name="201" href="#201">201</a>             } <strong>else</strong> {
<a name="202" href="#202">202</a>                 <strong>return</strong> BigDecimal.valueOf(value.longValue());
<a name="203" href="#203">203</a>             }
<a name="204" href="#204">204</a>         }
<a name="205" href="#205">205</a> 
<a name="206" href="#206">206</a>         <em class="comment">// BigInteger</em>
<a name="207" href="#207">207</a>         <strong>if</strong> (targetType.equals(BigInteger.<strong>class</strong>)) {
<a name="208" href="#208">208</a>             <strong>if</strong> (value instanceof BigDecimal) {
<a name="209" href="#209">209</a>                 <strong>return</strong> ((BigDecimal)value).toBigInteger();
<a name="210" href="#210">210</a>             } <strong>else</strong> {
<a name="211" href="#211">211</a>                 <strong>return</strong> BigInteger.valueOf(value.longValue());
<a name="212" href="#212">212</a>             }
<a name="213" href="#213">213</a>         }
<a name="214" href="#214">214</a> 
<a name="215" href="#215">215</a>         <strong>throw</strong> <strong>new</strong> UnsupportedOperationException(<span class="string">"Number convert failure: cannot convert source ("</span>+sourceType+<span class="string">") to target ("</span>+targetType+<span class="string">")"</span>);
<a name="216" href="#216">216</a>     }
<a name="217" href="#217">217</a> 
<a name="218" href="#218">218</a>     <em>/**<em>*</em></em>
<a name="219" href="#219">219</a> <em>     * Default String to Number conversion.</em>
<a name="220" href="#220">220</a> <em>     * &lt;p></em>
<a name="221" href="#221">221</a> <em>     * This method handles conversion from a String to the following types:</em>
<a name="222" href="#222">222</a> <em>     * &lt;ul></em>
<a name="223" href="#223">223</a> <em>     *     &lt;li>&lt;code>java.lang.Byte&lt;/code>&lt;/li></em>
<a name="224" href="#224">224</a> <em>     *     &lt;li>&lt;code>java.lang.Short&lt;/code>&lt;/li></em>
<a name="225" href="#225">225</a> <em>     *     &lt;li>&lt;code>java.lang.Integer&lt;/code>&lt;/li></em>
<a name="226" href="#226">226</a> <em>     *     &lt;li>&lt;code>java.lang.Long&lt;/code>&lt;/li></em>
<a name="227" href="#227">227</a> <em>     *     &lt;li>&lt;code>java.lang.Float&lt;/code>&lt;/li></em>
<a name="228" href="#228">228</a> <em>     *     &lt;li>&lt;code>java.lang.Double&lt;/code>&lt;/li></em>
<a name="229" href="#229">229</a> <em>     *     &lt;li>&lt;code>java.math.BigDecimal&lt;/code>&lt;/li></em>
<a name="230" href="#230">230</a> <em>     *     &lt;li>&lt;code>java.math.BigInteger&lt;/code>&lt;/li></em>
<a name="231" href="#231">231</a> <em>     * &lt;/ul></em>
<a name="232" href="#232">232</a> <em>     * @param sourceType The type being converted from</em>
<a name="233" href="#233">233</a> <em>     * @param targetType The Number type to convert to</em>
<a name="234" href="#234">234</a> <em>     * @param value The String value to convert.</em>
<a name="235" href="#235">235</a> <em>     *</em>
<a name="236" href="#236">236</a> <em>     * @return The converted Number value.</em>
<a name="237" href="#237">237</a> <em>     */</em>
<a name="238" href="#238">238</a>     <strong>private</strong> <strong>static</strong> Number toNumber(Class&lt;?> sourceType, Class&lt;?> targetType, String value) {
<a name="239" href="#239">239</a> 
<a name="240" href="#240">240</a>         <em class="comment">// Byte</em>
<a name="241" href="#241">241</a>         <strong>if</strong> (targetType.equals(Byte.<strong>class</strong>)) {
<a name="242" href="#242">242</a>             <strong>return</strong> Byte.valueOf(value);
<a name="243" href="#243">243</a>         }
<a name="244" href="#244">244</a> 
<a name="245" href="#245">245</a>         <em class="comment">// Short</em>
<a name="246" href="#246">246</a>         <strong>if</strong> (targetType.equals(Short.<strong>class</strong>)) {
<a name="247" href="#247">247</a>             <strong>return</strong> Short.valueOf(value);
<a name="248" href="#248">248</a>         }
<a name="249" href="#249">249</a> 
<a name="250" href="#250">250</a>         <em class="comment">// Integer</em>
<a name="251" href="#251">251</a>         <strong>if</strong> (targetType.equals(Integer.<strong>class</strong>)) {
<a name="252" href="#252">252</a>             <strong>return</strong> Integer.valueOf(value);
<a name="253" href="#253">253</a>         }
<a name="254" href="#254">254</a> 
<a name="255" href="#255">255</a>         <em class="comment">// Long</em>
<a name="256" href="#256">256</a>         <strong>if</strong> (targetType.equals(Long.<strong>class</strong>)) {
<a name="257" href="#257">257</a>             <strong>return</strong> Long.valueOf(value);
<a name="258" href="#258">258</a>         }
<a name="259" href="#259">259</a> 
<a name="260" href="#260">260</a>         <em class="comment">// Float</em>
<a name="261" href="#261">261</a>         <strong>if</strong> (targetType.equals(Float.<strong>class</strong>)) {
<a name="262" href="#262">262</a>             <strong>return</strong> Float.valueOf(value);
<a name="263" href="#263">263</a>         }
<a name="264" href="#264">264</a> 
<a name="265" href="#265">265</a>         <em class="comment">// Double</em>
<a name="266" href="#266">266</a>         <strong>if</strong> (targetType.equals(Double.<strong>class</strong>)) {
<a name="267" href="#267">267</a>             <strong>return</strong> Double.valueOf(value);
<a name="268" href="#268">268</a>         }
<a name="269" href="#269">269</a> 
<a name="270" href="#270">270</a>         <em class="comment">// BigDecimal</em>
<a name="271" href="#271">271</a>         <strong>if</strong> (targetType.equals(BigDecimal.<strong>class</strong>)) {
<a name="272" href="#272">272</a>             <strong>return</strong> <strong>new</strong> BigDecimal(value);
<a name="273" href="#273">273</a>         }
<a name="274" href="#274">274</a> 
<a name="275" href="#275">275</a>         <em class="comment">// BigInteger</em>
<a name="276" href="#276">276</a>         <strong>if</strong> (targetType.equals(BigInteger.<strong>class</strong>)) {
<a name="277" href="#277">277</a>             <strong>return</strong> <strong>new</strong> BigInteger(value);
<a name="278" href="#278">278</a>         }
<a name="279" href="#279">279</a> 
<a name="280" href="#280">280</a>         <strong>throw</strong> <strong>new</strong> UnsupportedOperationException(<span class="string">"Number convert failure: cannot convert string source ("</span>+sourceType+<span class="string">") to target ("</span>+targetType+<span class="string">")"</span>);
<a name="281" href="#281">281</a>     }
<a name="282" href="#282">282</a> 
<a name="283" href="#283">283</a> }
</pre>
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